Re: [PATCH v4 0/4] Add post-init-providers binding to improve suspend/resume stability

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On Thu, Feb 22, 2024 at 4:46 AM Saravana Kannan <saravanak@xxxxxxxxxx> wrote:
>
> This patch series adds a "post-init-providers" device tree binding that
> can be used to break dependency cycles in device tree and enforce a more
> determinstic probe/suspend/resume order. This will also improve the
> stability of global async probing and async suspend/resume and allow us
> to enable them more easily. Yet another step away from playing initcall
> chicken with probing and step towards fully async probing and
> suspend/resume.
>
> Patch 3 (the binding documentation) provides a lot more details and
> examples.
>
> v3->v4:
> - Fixed MAINTAINERS file to go with the file rename.
>
> v2->v3:
> - Changes doc/code from "post-init-supplier" to "post-init-providers"
> - Fixed some wording that was ambiguous for Conor.
> - Fixed indentation, additionalProperies and white space issues in the
>   yaml syntax.
> - Fixed syntax errors in the example.
>
> v1->v2:
> - Addressed Documentation/commit text errors pointed out by Rob
> - Reordered MAINTAINERS chunk as pointed out by Krzysztof
>
> Saravana Kannan (4):
>   driver core: Adds flags param to fwnode_link_add()
>   driver core: Add FWLINK_FLAG_IGNORE to completely ignore a fwnode link
>   dt-bindings: Add post-init-providers property
>   of: property: fw_devlink: Add support for "post-init-providers"
>     property
>
>  .../bindings/post-init-providers.yaml         | 105 ++++++++++++++++++
>  MAINTAINERS                                   |  13 ++-
>  drivers/base/core.c                           |  14 ++-
>  drivers/firmware/efi/sysfb_efi.c              |   2 +-
>  drivers/of/property.c                         |  17 ++-
>  include/linux/fwnode.h                        |   5 +-
>  6 files changed, 142 insertions(+), 14 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/post-init-providers.yaml
>
> --

This looks reasonable to me overall, so

Acked-by: Rafael J. Wysocki <rafael@xxxxxxxxxx>





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